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Problem with USB 3 port

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  Problem with USB 3 port Mick Ab <recoverymail123890@gmail.com> - 2020-08-19 12:40 +0200
    Re: Problem with USB 3 port Mick Ab <recoverymail123890@gmail.com> - 2020-08-19 21:00 +0200
      Re: Problem with USB 3 port deloptes <deloptes@gmail.com> - 2020-08-19 21:50 +0200

#226293 — Problem with USB 3 port

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There have been problems recently in trying to use the USB 3 port on a
desktop running Debian.

The kernel doesn't recognise either a new portable hard drive or a new
flash drive when each have, in turn, be plugged into that port. Neither
device shows up with fdisk  -l, lsusb or lsblk commands.

Now the following has been done :-

(1) The new flash drive was unplugged from the port

(2) As root, the following command was run :

dmesg  |  tail

The output was as follows :

[3974120.938338] usb 1-1: new high-speed USB device number 66 using xhci_hcd
[3974126.430777] usb 1-1: new high-speed USB device number 67 using xhci_hcd
[3974131.923271] usb 1-1: new high-speed USB device number 68 using xhci_hcd
[3974137.415713] usb 1-1: new high-speed USB device number 69 using xhci_hcd
[3974142.908184] usb 1-1: new high-speed USB device number 70 using xhci_hcd

The above sequence continued up to device number 75

(3) The flash drive was plugged back into the USB 3 port

(4) After a few seconds the following command was run as root :

dmesg  |  tail  -50

The output was as follows :

[3973945.175272] usb 1-1: new high-speed USB device number 34 using xhci_hcd
[3973950.667736] usb 1-1: new high-speed USB device number 35 using xhci_hcd
[3973956.164234] usb 1-1: new high-speed USB device number 36 using xhci_hcd
[3973961.660705] usb 1-1: new high-speed USB device number 37 using xhci_hcd
[3973967.153175] usb 1-1: new high-speed USB device number 38 using xhci_hcd
[3973972.645644] usb 1-1: new high-speed USB device number 39 using xhci_hcd
[3973978.138108] usb 1-1: new high-speed USB device number 40 using xhci_hcd

The above sequence continued until device number 83

Clearly something is wrong with the port. Can anyone say what is causing
the problem and how it can be fixed.  Thank you.

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#226307

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Could the problem with the USB port possibly cause a problem with an
attempt to reboot the system ?
On 19 Aug 2020 11:30, "Mick Ab" <recoverymail123890@gmail.com> wrote:

> There have been problems recently in trying to use the USB 3 port on a
> desktop running Debian.
>
> The kernel doesn't recognise either a new portable hard drive or a new
> flash drive when each have, in turn, be plugged into that port. Neither
> device shows up with fdisk  -l, lsusb or lsblk commands.
>
> Now the following has been done :-
>
> (1) The new flash drive was unplugged from the port
>
> (2) As root, the following command was run :
>
> dmesg  |  tail
>
> The output was as follows :
>
> [3974120.938338] usb 1-1: new high-speed USB device number 66 using
> xhci_hcd
> [3974126.430777] usb 1-1: new high-speed USB device number 67 using
> xhci_hcd
> [3974131.923271] usb 1-1: new high-speed USB device number 68 using
> xhci_hcd
> [3974137.415713] usb 1-1: new high-speed USB device number 69 using
> xhci_hcd
> [3974142.908184] usb 1-1: new high-speed USB device number 70 using
> xhci_hcd
>
> The above sequence continued up to device number 75
>
> (3) The flash drive was plugged back into the USB 3 port
>
> (4) After a few seconds the following command was run as root :
>
> dmesg  |  tail  -50
>
> The output was as follows :
>
> [3973945.175272] usb 1-1: new high-speed USB device number 34 using
> xhci_hcd
> [3973950.667736] usb 1-1: new high-speed USB device number 35 using
> xhci_hcd
> [3973956.164234] usb 1-1: new high-speed USB device number 36 using
> xhci_hcd
> [3973961.660705] usb 1-1: new high-speed USB device number 37 using
> xhci_hcd
> [3973967.153175] usb 1-1: new high-speed USB device number 38 using
> xhci_hcd
> [3973972.645644] usb 1-1: new high-speed USB device number 39 using
> xhci_hcd
> [3973978.138108] usb 1-1: new high-speed USB device number 40 using
> xhci_hcd
>
> The above sequence continued until device number 83
>
> Clearly something is wrong with the port. Can anyone say what is causing
> the problem and how it can be fixed.  Thank you.
>

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#226308

Mick Ab wrote:

> Could the problem with the USB port possibly cause a problem with an
> attempt to reboot the system ?

what do you mean exactly - you were trying to reboot and then this happened?

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